Makes 16 bars.
3 tablespoons butter or margarine
25 large marshmallows or 3 1/2 cups miniature marshmallows
5 cups Lucky Charms cereal
Grease an 8-inch or 9-inch square pan 9 x 2 inch pan.
Place butter and marshmallows in large microwave bowl. Microwave uncovered on HIGH for 1 minute and 30 seconds to 3 minutes, stirring after 1 minute until mixture is melted and smooth when stirred. Stir in cereal until well coated. Press mixture into prepared pan; cool.
Cut into about 2-inch square bars.